diff --git a/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/autoconfigure/ShellProperties.java b/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/autoconfigure/ShellProperties.java
index 91fe9665f4..d5153a71a8 100644
--- a/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/autoconfigure/ShellProperties.java
+++ b/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/autoconfigure/ShellProperties.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2016 the original author or authors.
+ * Copyright 2012-2017 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -120,7 +120,7 @@ public class ShellProperties {
 	}
 
 	public void setDisabledCommands(String[] disabledCommands) {
-		Assert.notEmpty(disabledCommands);
+		Assert.notEmpty(disabledCommands, "disabledCommands must not be empty");
 		this.disabledCommands = disabledCommands;
 	}
 
@@ -129,7 +129,7 @@ public class ShellProperties {
 	}
 
 	public void setDisabledPlugins(String[] disabledPlugins) {
-		Assert.notEmpty(disabledPlugins);
+		Assert.notEmpty(disabledPlugins, "disabledPlugins must not be empty");
 		this.disabledPlugins = disabledPlugins;
 	}
 
diff --git a/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/metrics/statsd/StatsdMetricWriter.java b/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/metrics/statsd/StatsdMetricWriter.java
index 292dd46b5b..a92dd2eae4 100644
--- a/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/metrics/statsd/StatsdMetricWriter.java
+++ b/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/metrics/statsd/StatsdMetricWriter.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2016 the original author or authors.
+ * Copyright 2012-2017 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -72,7 +72,7 @@ public class StatsdMetricWriter implements MetricWriter, Closeable {
 	 * @param client StatsD client to write metrics with
 	 */
 	public StatsdMetricWriter(StatsDClient client) {
-		Assert.notNull(client);
+		Assert.notNull(client, "client must not be null");
 		this.client = client;
 	}
 
diff --git a/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/trace/WebRequestTraceFilterTests.java b/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/trace/WebRequestTraceFilterTests.java
index f8d83d9f8b..56f6a8db97 100644
--- a/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/trace/WebRequestTraceFilterTests.java
+++ b/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/trace/WebRequestTraceFilterTests.java
@@ -244,7 +244,6 @@ public class WebRequestTraceFilterTests {
 	}
 
 	@Test
-	@SuppressWarnings("unchecked")
 	public void filterAddsTimeTaken() throws Exception {
 		MockHttpServletRequest request = spy(new MockHttpServletRequest("GET", "/foo"));
 		MockHttpServletResponse response = new MockHttpServletResponse();
diff --git a/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/cache/HazelcastInstanceConfiguration.java b/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/cache/HazelcastInstanceConfiguration.java
index 667f6e29b3..286544cc8f 100644
--- a/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/cache/HazelcastInstanceConfiguration.java
+++ b/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/cache/HazelcastInstanceConfiguration.java
@@ -56,6 +56,7 @@ abstract class HazelcastInstanceConfiguration {
 		@Bean
 		public HazelcastCacheManager cacheManager(
 				HazelcastInstance existingHazelcastInstance) throws IOException {
+			@SuppressWarnings("deprecation")
 			Resource config = this.cacheProperties.getHazelcast().getConfig();
 			Resource location = this.cacheProperties.resolveConfigLocation(config);
 			if (location != null) {
@@ -86,6 +87,7 @@ abstract class HazelcastInstanceConfiguration {
 
 		@Bean
 		public HazelcastInstance hazelcastInstance() throws IOException {
+			@SuppressWarnings("deprecation")
 			Resource config = this.cacheProperties.getHazelcast().getConfig();
 			Resource location = this.cacheProperties.resolveConfigLocation(config);
 			if (location != null) {
diff --git a/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/condition/ConditionalOnMissingBeanTests.java b/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/condition/ConditionalOnMissingBeanTests.java
index 89ea64bfdf..947e9e6f86 100644
--- a/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/condition/ConditionalOnMissingBeanTests.java
+++ b/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/condition/ConditionalOnMissingBeanTests.java
@@ -646,7 +646,7 @@ public class ConditionalOnMissingBeanTests {
 	public static class ExampleFactoryBean implements FactoryBean<ExampleBean> {
 
 		public ExampleFactoryBean(String value) {
-			Assert.state(!value.contains("$"));
+			Assert.state(!value.contains("$"), "value must not contain $");
 		}
 
 		@Override
@@ -669,7 +669,7 @@ public class ConditionalOnMissingBeanTests {
 	public static class NonspecificFactoryBean implements FactoryBean<Object> {
 
 		public NonspecificFactoryBean(String value) {
-			Assert.state(!value.contains("$"));
+			Assert.state(!value.contains("$"), "value must not contain $");
 		}
 
 		@Override
diff --git a/spring-boot/src/main/java/org/springframework/boot/bind/PropertiesConfigurationFactory.java b/spring-boot/src/main/java/org/springframework/boot/bind/PropertiesConfigurationFactory.java
index 1aec0338d1..83445c9ad1 100644
--- a/spring-boot/src/main/java/org/springframework/boot/bind/PropertiesConfigurationFactory.java
+++ b/spring-boot/src/main/java/org/springframework/boot/bind/PropertiesConfigurationFactory.java
@@ -91,7 +91,7 @@ public class PropertiesConfigurationFactory<T>
 	 * @see #PropertiesConfigurationFactory(Class)
 	 */
 	public PropertiesConfigurationFactory(T target) {
-		Assert.notNull(target);
+		Assert.notNull(target, "target must not be null");
 		this.target = target;
 	}
 
@@ -102,7 +102,7 @@ public class PropertiesConfigurationFactory<T>
 	 */
 	@SuppressWarnings("unchecked")
 	public PropertiesConfigurationFactory(Class<?> type) {
-		Assert.notNull(type);
+		Assert.notNull(type, "type must not be null");
 		this.target = (T) BeanUtils.instantiate(type);
 	}
 
diff --git a/spring-boot/src/main/java/org/springframework/boot/bind/YamlConfigurationFactory.java b/spring-boot/src/main/java/org/springframework/boot/bind/YamlConfigurationFactory.java
index 6c14fc2a70..4bc53749c8 100644
--- a/spring-boot/src/main/java/org/springframework/boot/bind/YamlConfigurationFactory.java
+++ b/spring-boot/src/main/java/org/springframework/boot/bind/YamlConfigurationFactory.java
@@ -76,7 +76,7 @@ public class YamlConfigurationFactory<T>
 	 * @param type the root type
 	 */
 	public YamlConfigurationFactory(Class<?> type) {
-		Assert.notNull(type);
+		Assert.notNull(type, "type must not be null");
 		this.type = type;
 	}
 
diff --git a/spring-boot/src/main/java/org/springframework/boot/context/embedded/tomcat/TomcatEmbeddedServletContainerFactory.java b/spring-boot/src/main/java/org/springframework/boot/context/embedded/tomcat/TomcatEmbeddedServletContainerFactory.java
index 0d59b1de6e..4e012a862d 100644
--- a/spring-boot/src/main/java/org/springframework/boot/context/embedded/tomcat/TomcatEmbeddedServletContainerFactory.java
+++ b/spring-boot/src/main/java/org/springframework/boot/context/embedded/tomcat/TomcatEmbeddedServletContainerFactory.java
@@ -354,8 +354,7 @@ public class TomcatEmbeddedServletContainerFactory
 			Compression compression = getCompression();
 			protocol.setCompression("on");
 			protocol.setCompressionMinSize(compression.getMinResponseSize());
-			protocol.setCompressableMimeType(
-					StringUtils.arrayToCommaDelimitedString(compression.getMimeTypes()));
+			configureCompressibleMimeTypes(protocol, compression);
 			if (getCompression().getExcludedUserAgents() != null) {
 				protocol.setNoCompressionUserAgents(
 						StringUtils.arrayToCommaDelimitedString(
@@ -364,6 +363,13 @@ public class TomcatEmbeddedServletContainerFactory
 		}
 	}
 
+	@SuppressWarnings("deprecation")
+	private void configureCompressibleMimeTypes(AbstractHttp11Protocol<?> protocol,
+			Compression compression) {
+		protocol.setCompressableMimeType(
+				StringUtils.arrayToCommaDelimitedString(compression.getMimeTypes()));
+	}
+
 	/**
 	 * Configure Tomcat's {@link AbstractHttp11JsseProtocol} for SSL.
 	 * @param protocol the protocol
diff --git a/spring-boot/src/test/java/org/springframework/boot/context/embedded/CompressionTests.java b/spring-boot/src/test/java/org/springframework/boot/context/embedded/CompressionTests.java
index ac5a35fc75..d608454e51 100644
--- a/spring-boot/src/test/java/org/springframework/boot/context/embedded/CompressionTests.java
+++ b/spring-boot/src/test/java/org/springframework/boot/context/embedded/CompressionTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2016 the original author or authors.
+ * Copyright 2012-2017 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -36,7 +36,7 @@ public class CompressionTests {
 
 	private String[] getTomcatDefaultCompressableMimeTypes() {
 		Http11NioProtocol protocol = new Http11NioProtocol();
-		return protocol.getCompressableMimeTypes();
+		return protocol.getCompressibleMimeTypes();
 	}
 
 }